Foil -
Foil (Foreign Object Interface for Lisp) consists of a protocol and a set of libraries that facilitate access to popular object runtimes, such as the JVM (Java) and the CLI/CLR (.NET), and their libraries, from Lisp

JACOL -
The JACOL system can be used to link Java and Common Lisp applications

Jatha -
Jatha is a Java library that implements a fairly large subset of Common LISP, including most of the datatypes (e.g

jfli -
jfli provides comprehensive, safe, dynamic and Lisp-y access to Java and Java libraries as if they were Lisp libraries, for use in Lisp programs, i.e

jss -
jss is an extension for ABCL that makes it easier for me(AlanRuttenberg) to write lisp code that calls java libraries

LIJOS -
The LIJOS system is a Lisp Implementation of the Java ObjectStream

LinJ -
Linj translates a subset of Common Lisp into human-readable Java code

Lisplets -
Lisplets are Java Servlets that forward their requests, and gather their response headers, using s-expressions over sockets

SAVA -
SAVA is a utility to express and manipulate Java source code in s-exp form, and pretty-print it for compilation by Java compilers